package com.itheima.junit;

public class StringUtil {
    public static void printNumber(String name){
        if(name==null){
            System.out.println(0);
            return;
        }
        System.out.println("名字的长度是："+name.length());

    }

    /*
    * 求字符串的最大索引
    * */
    public static int getMaxIndex(String data){
        if(data==null)  return -1;
        return data.length()-1;
    }
}
